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Justin Gregoire

Highly experienced data scientist with 6 years of expertise in providing organizations with valuable data-driven insights and solutions. Proven track record of success working across multiple cross-functional teams within a variety of industries including education technology, mobile gaming, B2B cloud products and healthcare.

Professional Experience

Senior Data Scientist, Product Analytics

TikTok

Mountain View, CA

2022

  • Part of intial data science team involved with eCommerce expansion to US. Regularly conducted deep-dive analysis to inform product development and drive revenue growth as part of the launch.
  • Collaborated with cross-functional teams, including product management, engineering, and marketing, to drive data-driven decision making and optimize the user experience for ecommerce on the TikTok platform.

Senior Data Scientist

Skillshare

New York, NY

2022 - 2021

  • Acted as data insights leader for new product expansion beyond core membership. Leveraged k-means clustering to identify target teacher segments and size potential monetization opportunities. This analysis and subsequent strategy demonstrated path for potential sales increases of 50%
  • Applied causal inference techniques when standard A/B testing wasn’t possible. Examples include counterfactual estimations for various marketing offer changes; and designing quasi-experiments for influencer marketing due to lack of A/B tools in this area.
  • Led experimentation processes and analysis within the product team’s personalization & discovery pods - including changes to content recommendation algorithms, new onboarding features/flows, and changes to Search and Browse.

Data Scientist

Skillshare

New York, NY

2021 - 2020

  • Scored potential profitability of international markets. Presented findings to CEO and executive team. This work continues to guide our international growth strategy.
  • Evaluated potential marketing attribution methodologies and implemented a “first touch” methodology based on model comparisons and technical considerations.
  • Built an external facing algorithm projecting teachers’ upcoming monthly royalty payments, subsequently increasing teacher retention and satisfaction scores.

Marketing Analytics Manager

Skillshare

New York, NY

2020 - 2019

  • Defined marketing performance metrics and built analytics pipelines and data models for scalable reporting and analysis.
  • Partnered with product’s growth pod on experiment design and analysis of various subscription pricing strategies across international markets

Digital Senior Analyst, Marketing Analytics @ Google

Accenture

San Francisco, CA

2019 - 2017

  • Led a team of 4 data analysts supporting analytics initiatives for a key acquisition program. Partnered with marketing, sales, and engineering to define metrics, build data pipelines and reporting, and provide strategic analysis and recommendations.

Digital Analyst @ Zynga

Accenture

San Francisco, CA

2017 - 2016

  • Partnered directly with VP of User Acquisition on analytics initiatives that increased returns on ad spend from 70% to 115% on an annual investment >$100M. This included building out executive-level reporting and implementing user LTV modeling so marketers could optimize their budgets in real time.